Answers

Subtract 50/90 from 8/63

8/63 - 50/90 is -3/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   8/63 = 8 × 10/63 × 10 = 80/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   50/90 = 50 × 7/90 × 7 = 350/630
4. Subtract the two like fractions:
   80/630 - 350/630 = 80 - 350/630 = -270/630
5. After reducing the fraction, the answer is -3/7

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